Unshielded twisted pair (UTP) cabling is the solution of choice where cost efficiency and ease of installation are the primary concern.
Unshielded Twisted Pair (UTP) copper cabling is a classic solution for IT and communication networks seen on many offices around the world. It is by far the most commonly used cabling choice for this application. R&M recommends this solution when easy to handle, simple, space-saving installation and more inexpensive materials are required.
Another commonly agreed advantage of UTP cabling is the reduction in ground loops this construction offers.
The complete range of unshielded cable solutions is available as part of R&Mfreenet – it provides the optimal building block components for reliable, high-performance data networks. This cabling type supports transmission speeds from 10 Mbit/s to 10 Gbit/s.
Three different transmission classes are available:
Cat. 5e / Class D
Cat. 6 / Class E
Cat. 6A / Class EA
10GBASE-T and 10 Gigabit Ethernet network technology is becoming the standard in the office world. Cat.6A connectivity quickly replaces legacy Cat.6 cabling. This transmission technology poses additional requirements in terms of installation and protection against outside electromagnetic disturbances. Separation from other electronic installations must be maintained.
Different 10G data lines could theoretically disturb each other, if the Crosstalk between different cables (Alien Near End CrossTalk, ANEXT) is not low enough. This separation between cables could be either achieved by physical distancing between cabling elements or by a metallic barrier.
The R&M promoted WARP technology (Wave Reduction Patches), uses non-continuous aluminum foil patches around the cable to reduce ANEXT. With this fully developed and mature solution ANEXT can be reduced to very low levels, allowing the design of small diameter Cat.6A cables. Alien Crosstalk is met by design within such cables, cables can be bundled side by side and no measurements are necessary to proof ANEXT conformance.
When using Remote Powering with LAN cabling (Power over Ethernet, PoE), heat dissipation properties of the cable becomes important. In order to reduce the maximum temperature inside a cable bundle in the installation, heat produced by the PoE must be able to dissipate out from the bundle as easily as possible. The metallic WARP segments also help to keep the cable bundles cooler, by transporting the heat flow around the cable to the outside.
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